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Re: Wood: 'en' and Plywood question.[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: Wood: 'en' and Plywood question.
- From: Seaintonln(--nospam--at)aol.com
- Date: Thu, 15 Jul 1999 23:47:08 EDT
In a message dated 7/15/99 6:41:04 PM Pacific Daylight Time, quinnair(--nospam--at)email.msn.com writes: << My point was that in a multitude of racking tests, I never observed a nail to fail in shear. The nails pull out, while flexing back and forth. The holes in the sheathing wallow. Nail heads pull through the sheathing. But I have never seen a nail fail in shear under the racking condition. Maybe if the sheathing were a steel plate? Pat Quinn Henderson, NV >> I would agree that it is rare to see failure in the bolt when the material most likely to yield will be the weakest - ie, wood. Therefore, the problems associated to nail bending, besides affecting shearwall deflection can contribute (with all other terms under consideration) to a walls failure by tearing the head of the nail through the panel edge. APA has plenty of photo's showing nail deformation (bending) at the point of failure (at ultimate load). I lost track of the question that led to your response. Therefore, if this comment is not relevant, please let me know what your point refers to. Dennis
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